SurveyJS - Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App
With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.
surveyjs.io
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SurveyJS
Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App. With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.
That is not strictly true. Node.Js uses a single thread to execute your javascript code. But, underneath there is libuv that spawns thread-pool to execute DNS lookups, FS calls and crypto - by default the size of that pool is 4 threads.
Additionally, v8 - javascript engine - spawns a bunch of threads to perform various tasks like garbage collection.
And some native modules, like node-rdkafka will spawn threads of their own.
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